Crap From The Past - Bonus: 96.3 KTWN-FM/Minneapolis flips from K-TWIN and weird robot voice stunt format to Go 96.3 (Alternative), January 5, 2015
Recorded by Ron Gerber in mono from air onto hard drive, using Technics ST-S78 tuner and ART USB Phono Plus, leaving 2-3 dB of headroom for stunt format files and about 1 dB of headroom for new format files, and no further processing. In the spectrograms, you can clearly see the 19 kHz pilot tone from the FM encoding.
There's also a rip of the radio station's 48 kbps 22 kHz stereo mp3 stream, including the last 46 hours of the stunt format and the first 5 hours of the new format. The station (mistakenly?) aired a half-hour music set at 11pm, starting about 6 hours into the 51-hour-long file. The station (mistakenly?) aired about a half hour of nothing but "this is the new format", starting about 22 hours into 51-hour-long file.
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